\documentclass{article}
\usepackage{feynmf}%%%{feynmp}
\unitlength=1mm
\begin{document}

\\
    dia
\\
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\\
    dia
\\
\begin{fmffile}{fmftempl581869302}
\begin{fmfchar*}(80,50)
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\\
    dia
\\
\begin{fmffile}{fmftempl3890346734}
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\\
    dia
\\
\begin{fmffile}{fmftempl3586334585}
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\\
    dia
\\
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\end{document}
